PLUS (MT)

Super Skyscrapers"Building The Future"
Commonly known as "the cheese grater," the Leadenhall Building is the pinnacle of London's avant-garde architecture. The tapered tower with a steel exoskeleton is the tallest skyscraper in the City of London, and the teams behind the project had to radically rethink every aspect of the traditional building model. Part 2 of 4G

NOVA"Great Cathedral Mystery"
The engineering behind the dome that crowns Florence's cathedral of Santa Maria del Fione, a Renaissance masterpiece and the world's largest masonry dome, is still debated among historians and engineers. Now a team of U.S. bricklayers helps build an experimental "mini-Duomo" using period tools and techniques to try to unravel how architect Filippo Brunelleschi managed it.G

7:00 pm

Design Squad"Just for Kicks"
The teams must each design a device to automatically feed a stream of balls to professional soccer player Michael Parkhurst.G

7:30 pm

Everyday Edisons"I Can Finally Grasp It!"
We've all heard that "a friend in need, is a friend indeed," but for inventor, Mark Stark, it was no question that his friend needed a helping hand. Born without his left hand, Mark's friend, Dave Vogt never knew what his friend was working on in his shop and garage for months and months until one day, he presented Dave with an artificial hand that would change his life. A heart-warming story of compassion and friendship, this episode brings to light a need, an idea, a prototype and, of course, a challenge to our Everyday Edisons team. D

8:00 pm

Alan Alda in Scientific American Frontiers"Coming to America"
Who were the first Americans, and when did they arrive? Did they get here by land or sea? Did a single group populate the continent, or did many? Experts used to agree that the first Americans walked across the Bering land bridge from Asia about 12,000 years ago, then found their way south, eventually colonizing all of North and South America. But exciting recent finds at sites on both continents have triggered new theories. Alan Alda tries to find out who's saying what, and why. D

9:00 pm

Super Skyscrapers"Building The Future"
Commonly known as "the cheese grater," the Leadenhall Building is the pinnacle of London's avant-garde architecture. The tapered tower with a steel exoskeleton is the tallest skyscraper in the City of London, and the teams behind the project had to radically rethink every aspect of the traditional building model. Part 2 of 4G

10:00 pm

NOVA"Great Cathedral Mystery"
The engineering behind the dome that crowns Florence's cathedral of Santa Maria del Fione, a Renaissance masterpiece and the world's largest masonry dome, is still debated among historians and engineers. Now a team of U.S. bricklayers helps build an experimental "mini-Duomo" using period tools and techniques to try to unravel how architect Filippo Brunelleschi managed it.G

11:00 pm

Design Squad"Just for Kicks"
The teams must each design a device to automatically feed a stream of balls to professional soccer player Michael Parkhurst.G

11:30 pm

Everyday Edisons"I Can Finally Grasp It!"
We've all heard that "a friend in need, is a friend indeed," but for inventor, Mark Stark, it was no question that his friend needed a helping hand. Born without his left hand, Mark's friend, Dave Vogt never knew what his friend was working on in his shop and garage for months and months until one day, he presented Dave with an artificial hand that would change his life. A heart-warming story of compassion and friendship, this episode brings to light a need, an idea, a prototype and, of course, a challenge to our Everyday Edisons team. D